code: def test_batch_size_2_using_joiner(self):
      pipeline = MiniBatchSequentialPipeline(
          [self.tape_step, Joiner(batch_size=2)]
      )
  
      pipeline.transform(self.data)
  
      assert self.tape_trs.data == [
          [0, 1],
          [2, 3],
          [4, 5],
          [6, 7],
          [8, 9],
      ]
  
imports: import unittest
  from neuraxle.data_container import StripAbsentValues
  from neuraxle.pipeline import MiniBatchSequentialPipeline, Joiner, Pipeline
  from neuraxle.steps.misc import TransformCallbackStep, TapeCallbackFunction, FitTransformCallbackStep
  from neuraxle.steps.numpy import MultiplyByN, ToList
label_desc: Use image node_id 6 for calling the TestMiniBatchSequentialPipelineBatchingBehavior obj's underlying member method code with example usage: obj.test_batch_size_2_using_joiner() without return types